X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.browsing.ui.graph.impl%2Fsrc%2Forg%2Fsimantics%2Fbrowsing%2Fui%2Fgraph%2Fimpl%2FLazyTypeAcceptViewpoint.java;h=b03ac89cb1b3a2bef420168fe954011e74b9fe36;hp=82e7f0c8faf60449e81f6cb41b1311e5a2edf456;hb=0ae2b770234dfc3cbb18bd38f324125cf0faca07;hpb=24e2b34260f219f0d1644ca7a138894980e25b14

diff --git a/bundles/org.simantics.browsing.ui.graph.impl/src/org/simantics/browsing/ui/graph/impl/LazyTypeAcceptViewpoint.java b/bundles/org.simantics.browsing.ui.graph.impl/src/org/simantics/browsing/ui/graph/impl/LazyTypeAcceptViewpoint.java
index 82e7f0c8f..b03ac89cb 100644
--- a/bundles/org.simantics.browsing.ui.graph.impl/src/org/simantics/browsing/ui/graph/impl/LazyTypeAcceptViewpoint.java
+++ b/bundles/org.simantics.browsing.ui.graph.impl/src/org/simantics/browsing/ui/graph/impl/LazyTypeAcceptViewpoint.java
@@ -1,96 +1,96 @@
-/*******************************************************************************
- * Copyright (c) 2007, 2010 Association for Decentralized Information Management
- * in Industry THTH ry.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- *
- * Contributors:
- *     VTT Technical Research Centre of Finland - initial API and implementation
- *******************************************************************************/
-package org.simantics.browsing.ui.graph.impl;
-
-import java.util.ArrayList;
-import java.util.Collection;
-
-import org.simantics.browsing.ui.NodeContext;
-import org.simantics.browsing.ui.PrimitiveQueryUpdater;
-import org.simantics.browsing.ui.BuiltinKeys.ViewpointKey;
-import org.simantics.browsing.ui.common.NodeContextBuilder;
-import org.simantics.db.ReadGraph;
-import org.simantics.db.Resource;
-import org.simantics.db.exception.DatabaseException;
-import org.simantics.layer0.Layer0;
-
-/**
- * A very simple viewpoint that by default browses Consists Of relations and
- * accepts as objects any children that are of any of the specified accepted
- * types.
- * 
- * <p>
- * The accepted types must be returned through {@link #getAcceptedTypes()}
- * </p>
- * 
- * <p>
- * The children production can be customized by overriding
- * {@link #getPotentialChildren(ReadGraph, Resource)}. Whatever is produced by this
- * method will be filtered through the list of accepted resource types.
- * </p>
- * 
- * <p>
- * IMPORTANT: it is vital to actually implement this class and override the
- * {@link #getAcceptedTypes(ReadGraph)} method in the process. Otherwise the
- * equality comparisons of the resource queries used within LazyViewpoint will
- * not work properly!
- * </p>
- * 
- * @author Tuukka Lehtonen
- */
-public abstract class LazyTypeAcceptViewpoint extends LazyViewpoint {
-    
-    public LazyTypeAcceptViewpoint(PrimitiveQueryUpdater updater, NodeContext context, ViewpointKey key) {
-        super(updater, context, key);
-    }
-
-    protected abstract Resource[] getAcceptedTypes(ReadGraph g);
-    
-    protected Collection<Resource> getPotentialChildren(ReadGraph g, Resource r) throws DatabaseException {
-    	Layer0 L0 = Layer0.getInstance(g);
-        return g.getObjects(r, L0.ConsistsOf);
-    }
-
-    @Override
-    public NodeContext[] children(ReadGraph g) throws DatabaseException {
-        Resource input = getInput(Resource.class);
-        Resource[] accepted = getAcceptedTypes(g);
-        Collection<Resource> children = getPotentialChildren(g, input);
-        ArrayList<NodeContext> resultContexts = new ArrayList<NodeContext>();
-        for (Resource child : children) {
-            for (Resource acc : accepted) {
-                if (g.isInstanceOf(child, acc))
-                    resultContexts.add(NodeContextBuilder.buildWithInput(child));
-            }
-        }
-        return resultContexts.toArray(new NodeContext[resultContexts.size()]);
-    }
-
-    @Override
-    public Boolean hasChildren(ReadGraph g) throws DatabaseException {
-        return Boolean.valueOf(children(g).length > 0);
-    }
-
-    /*
-    public static class Stub extends LazyTypeAcceptViewpoint {
-        Resource[] acceptedTypes;
-        public Stub(PrimitiveQueryUpdater updater, INodeContext context, ViewpointKey key, Resource[] acceptedTypes) {
-            super(updater, context, key);
-            this.acceptedTypes = acceptedTypes;
-        }
-        @Override
-        protected Resource[] getAcceptedTypes(Graph g) {
-            return acceptedTypes;
-        }
-    }
-    */
-}
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.browsing.ui.graph.impl;
+
+import java.util.ArrayList;
+import java.util.Collection;
+
+import org.simantics.browsing.ui.NodeContext;
+import org.simantics.browsing.ui.PrimitiveQueryUpdater;
+import org.simantics.browsing.ui.BuiltinKeys.ViewpointKey;
+import org.simantics.browsing.ui.common.NodeContextBuilder;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.layer0.Layer0;
+
+/**
+ * A very simple viewpoint that by default browses Consists Of relations and
+ * accepts as objects any children that are of any of the specified accepted
+ * types.
+ * 
+ * <p>
+ * The accepted types must be returned through {@link #getAcceptedTypes()}
+ * </p>
+ * 
+ * <p>
+ * The children production can be customized by overriding
+ * {@link #getPotentialChildren(ReadGraph, Resource)}. Whatever is produced by this
+ * method will be filtered through the list of accepted resource types.
+ * </p>
+ * 
+ * <p>
+ * IMPORTANT: it is vital to actually implement this class and override the
+ * {@link #getAcceptedTypes(ReadGraph)} method in the process. Otherwise the
+ * equality comparisons of the resource queries used within LazyViewpoint will
+ * not work properly!
+ * </p>
+ * 
+ * @author Tuukka Lehtonen
+ */
+public abstract class LazyTypeAcceptViewpoint extends LazyViewpoint {
+    
+    public LazyTypeAcceptViewpoint(PrimitiveQueryUpdater updater, NodeContext context, ViewpointKey key) {
+        super(updater, context, key);
+    }
+
+    protected abstract Resource[] getAcceptedTypes(ReadGraph g);
+    
+    protected Collection<Resource> getPotentialChildren(ReadGraph g, Resource r) throws DatabaseException {
+    	Layer0 L0 = Layer0.getInstance(g);
+        return g.getObjects(r, L0.ConsistsOf);
+    }
+
+    @Override
+    public NodeContext[] children(ReadGraph g) throws DatabaseException {
+        Resource input = getInput(Resource.class);
+        Resource[] accepted = getAcceptedTypes(g);
+        Collection<Resource> children = getPotentialChildren(g, input);
+        ArrayList<NodeContext> resultContexts = new ArrayList<NodeContext>();
+        for (Resource child : children) {
+            for (Resource acc : accepted) {
+                if (g.isInstanceOf(child, acc))
+                    resultContexts.add(NodeContextBuilder.buildWithInput(child));
+            }
+        }
+        return resultContexts.toArray(new NodeContext[resultContexts.size()]);
+    }
+
+    @Override
+    public Boolean hasChildren(ReadGraph g) throws DatabaseException {
+        return Boolean.valueOf(children(g).length > 0);
+    }
+
+    /*
+    public static class Stub extends LazyTypeAcceptViewpoint {
+        Resource[] acceptedTypes;
+        public Stub(PrimitiveQueryUpdater updater, INodeContext context, ViewpointKey key, Resource[] acceptedTypes) {
+            super(updater, context, key);
+            this.acceptedTypes = acceptedTypes;
+        }
+        @Override
+        protected Resource[] getAcceptedTypes(Graph g) {
+            return acceptedTypes;
+        }
+    }
+    */
+}